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author | hyphz <drmoose94@gmail.com> | 2017-07-18 17:56:42 +0100 |
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committer | hyphz <drmoose94@gmail.com> | 2017-07-18 17:56:42 +0100 |
commit | 5ab5cb9800822d607be2c6ac943377811db98158 (patch) | |
tree | 3c804707822744c20da1de54ff60fc8c3197781b /zfs.html.markdown | |
parent | 62102d02992f83b3a1fb745a39f36332dd4435b7 (diff) | |
parent | 6e7c5c793327f4a63b13e555894597915ca91fda (diff) |
Merge remote-tracking branch 'adambard/master'
Diffstat (limited to 'zfs.html.markdown')
-rw-r--r-- | zfs.html.markdown | 20 |
1 files changed, 11 insertions, 9 deletions
diff --git a/zfs.html.markdown b/zfs.html.markdown index 74487e35..3d033da9 100644 --- a/zfs.html.markdown +++ b/zfs.html.markdown @@ -9,7 +9,7 @@ filename: LearnZfs.txt [ZFS](http://open-zfs.org/wiki/Main_Page) is a rethinking of the storage stack, combining traditional file systems as well as volume -managers into one cohesive tool. ZFS has some specific teminology that sets it appart from +managers into one cohesive tool. ZFS has some specific terminology that sets it apart from more traditional storage systems, however it has a great set of features with a focus on usability for systems administrators. @@ -23,7 +23,8 @@ types of VDEV's that offer various advantages, including redundancy and speed. VDEV's offer better reliability and safety than a RAID card. It is discouraged to use a RAID setup with ZFS, as ZFS expects to directly manage the underlying disks. -Types of VDEV's +Types of VDEV's + * stripe (a single disk, no redundancy) * mirror (n-way mirrors supported) * raidz @@ -39,13 +40,13 @@ increase your IOPS. ### Storage Pools ZFS uses Storage Pools as an abstraction over the lower level storage provider (VDEV), allow -you to separate the user visable file system from the physcal layout. +you to separate the user visible file system from the physical layout. ### ZFS Dataset -ZFS datasets are analagous to traditional filesystems but with many more features. They +ZFS datasets are analogous to traditional filesystems but with many more features. They provide many of ZFS's advantages. Datasets support [Copy on Write](https://en.wikipedia.org/wiki/Copy-on-write) -snapshots, quota's, compression and deduplication. +snapshots, quota's, compression and de-duplication. ### Limits @@ -60,6 +61,7 @@ single host can have 2^64 storage pools. The limits are huge. ### Storage Pools Actions: + * List * Status * Destroy @@ -68,7 +70,7 @@ Actions: List zpools ```bash -# Create a raidz zpool +# Create a raidz zpool $ zpool create bucket raidz1 gpt/zfs0 gpt/zfs1 gpt/zfs2 # List ZPools @@ -347,7 +349,7 @@ $ zfs promote tank/home/sarlalian_new ### Putting it all together -This following a script utilizing FreeBSD, jails and ZFS to automate +This following a script utilizing FreeBSD, jails and ZFS to automate provisioning a clean copy of a mysql staging database from a live replication slave. @@ -384,7 +386,7 @@ mv /jails/staging/etc/rc.conf.staging /jails/staging/etc/rc.conf.local echo "==== Starting the staging db server ====" jail -c staging -echo "==== Make sthe staging database not pull from the master ====" +echo "==== Makes the staging database not pull from the master ====" echo "STOP SLAVE;" | /usr/local/bin/mysql -u root -pmyrootpassword -h staging echo "RESET SLAVE;" | /usr/local/bin/mysql -u root -pmyrootpassword -h staging ``` @@ -393,7 +395,7 @@ echo "RESET SLAVE;" | /usr/local/bin/mysql -u root -pmyrootpassword -h staging ### Additional Reading * [BSDNow's Crash Course on ZFS](http://www.bsdnow.tv/tutorials/zfs) -* [FreeBSD Handbook on ZFS](https://wiki.freebsd.org/ZF://wiki.freebsd.org/ZFS) +* [FreeBSD Handbook on ZFS](https://www.freebsd.org/doc/en_US.ISO8859-1/books/handbook/zfs.html) * [BSDNow's Crash Course on ZFS](http://www.bsdnow.tv/tutorials/zfs) * [Oracle's Tuning Guide](http://www.oracle.com/technetwork/articles/servers-storage-admin/sto-recommended-zfs-settings-1951715.html) * [OpenZFS Tuning Guide](http://open-zfs.org/wiki/Performance_tuning) |